Fullele Wireless Waterproof IP67 External TPMS With 4 External Sensors

Fullele Wireless Tire Pressure Monitoring System with 4 External Sensors

What’s the Point of Tire Pressure Monitoring?

Tire pressure often affects handling characteristics, which is the primary reasoning that governments have used to legislate the use of these systems. Underinflated tires can contribute to increased braking distances, poor lateral stability, and other issues. If a tire is sufficiently low on air, it can even overheat and fail catastrophically. When that happens at high speeds, the results can be devastating.

There is also an economic reasoning behind tire pressure monitoring that should appeal to any budget-minded car owner. Underinflation can have an adverse affect on gas mileage and tread wear, so keeping your tires properly inflated can save you money over time. If your tires are underinflated by 10 percent, you’ll typically experience about a 1 percent reduction in fuel efficiency.

That might not seem like a lot, but it has a cumulative effect.

Specifications:

Abstract

Tires provide the foundation for comfortable, safe and fuel-efficient driving – if they are inflated properly. It seems simple but without a tire pressure monitoring system (TPMS), drivers took tires for granted and proper inflation was not the norm. Enter governments around the world. With proven technology to effectively monitor tire pressure and warn drivers of problems, regulations have emerged in essentially every region to require carmakers to have a TPMS in many classes of vehicles.

Introduction

Based on having the pressure sensing, microcontroller (MCU), radio frequency (RF) and interface technologies required for TPMS, Freescale Semiconductor has been actively involved in tire pressure monitoring for over 15 years. Rather than continue to only offer separate components, its technologies were combined into a single package solution in 2007. Most recently, improvements have provided a newer single-package solution that takes advantages of advancements in microelectromechanical systems (MEMS) and MCU technology and expands the performance of the integrated solution. This white paper addresses the requirements of tire pressure monitoring systems and variations in implementing them as well as the latest technology for a system-in-package solution and a discussion about advancements that could occur in the near future.

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